Cadillac 54-6219 1954 Shop Manual page 183

10-16
ENGINE MECHANICAL
2. Cement pan gaskets to both sides of pan,
being sure holes in gasket line up with holes in
pan.
3. Place a small amount of chassis grease on
each of the four corners of the pan gasket which
hang over the front and rear cutouts, which will
permit the pan gasket to slide over the corks and
insure a good seal.
4. Place pan in position on bottom surface of
cylinder block over the four studs, and install nuts
and washers loosely.
5. Install remaining 16 screws and tighten screws
and nuts in rotation, to 7 to 10 ft. lbs. torque.
6. Install idler arm support in position onframe
side bar and install screws.
7. Install starter assembly.
8. Install oil level indicator.
15
Removal and Disassembly of
Vacuum Pump
a. Removal
1.
Drain engine oil and remove oil pan, Note 14.
2.
Remove oil pan baffle.
3. Disconnect
vacuum line at engine block.
4, Remove six screws that hold vacuum pump
to oil pump and remove vacuum pump with the
oil pump idler gear.
WARNING: The oil pump idler gear may fall
out when the vacuum pump is removed.
5. Remove hexagonal drive shaft.
6.
Remove vacuum line from vacuum pump.
b. Disassembly
1. Remove two screws that hold plate to vacuum
pump and remove plate from dowels.
2. Turn pump open side downward and shake
out rotor assembly into hand.
3. Remove vanes and spring from rotor.
16 Inspection, Assembly, and
Installation of Vacuum Pump
a. Inspection
2. Inspect cover plate as explained in Note 18,
Step 6.
b. Assembly
CAUTION:
Parts must be free from foreign
matter before installation.
Foreign particles
caught between the rotor and pump body may
cause the shaft to break.
1. Install spring and vanes in rotor.
2. Compress vanes and install rotor in pump
body.
3. Position plate on doweled pump body so that
hole in plate lines up with hexagonal hole in rotor.
4. Install two screws in cover plate.
c. Installation
1. Install vacuum line to vacuum pump.
2. Replace hexagonal drive shaft in vacuum pump.
3. Replace idler gear in oil pump and install
vacuum pump below oil pump with six screws.
4. Connect vacuum line to engine block.
5. Install oil pan baffle.
6. Install oil pan.
17
Removal and Disassembly of
Oil Pump
NOTE:
Oil pump should not be removed un
less absolutely necessary because installation
requires removal of the distributor to properly
align the oil pump.
a. Removal
1. Drain engine oil and remove oil pan.
2. Remove oil pan baffle.
3. Disconnect vacuum
line at engine block.
4. Remove two nuts holding oil pump to rear
main bearing cap and remove oil pump, vacuum
pump, oil float and screen assembly.
CAUTION: After removing the oil pump, the
oil pump drive shaft is loose and fxee 10 drop
out and should be removed.
b. Disassembly
1. Inspect inside of pump body for excessive
scoring.
1. Remove cotter pin holding oil float to pump
and remove float.